User`s manual

IPSec network to network VPN pass through:
When a computer on the internal IPSec VPN network connects to the internal network behind the destination
IPSec VPN gateway, the DFL-500 firewall accepts IPSec VPN connections from the internal network and
performs network address translation on them. The VPN packets are forwarded to the destination IPSec VPN
gateway with a source address of the external interface of the DFL-500 firewall.
DFL-500 User’s Manual
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